Full seam-sealing and waterproof-breathability give the Columbia Sportswear Men's Chiliwack Insulated Pants weather-defeating superpowers. They are built with a streamlined fit, radial leg gussets and articulated knees for excellent mobility. A calculated blend of fabrics provides the perfect balance: textural ripstop lends durability while our popular Viili Twill is smooth and silky for a rich feel. A high zipper at the leg opening makes dealing with boots a cinch and the internal, adjustable leg gaiter keeps snow locked out. A zip-closed security pocket keeps car keys and other valuables extra safe.